First mathematics metric /
Saunders, John Graham.
London : H. Hamilton : Nelson,
1969-c1972.
Each v. contains 16 work-cards in folder.
1A and 2A illustrated by George Graig ; 3A illustrated by M.L. Atkins.
1A and 2A published by Hamish Hamilton ; 3A published by Nelson.
1A -- 2A -- 3A.